UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUz2Fu48KEzerW9ZTKp9I3AGaJ0JbqTC1V9EOLOa+a8=' 
WHERE 
  key_id = '2f7f0bf5b9f37618427f566eabc8c7dea79d58c0d780bd5829cc847157e524d8' 
  AND (
    token = 'nUz2Fu48KEzerW9ZTKp9I3AGaJ0JbqTC1V9EOLOa+a8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )